Bottle and cap therefor



Oct. 10, 1933. A; c. ECKARD BOTTLE AND CAP THEREFOR I Filed March 7,1932 3mm W6 MM Patented Oct. 10, 1933 UNITED STATES PATENT. OFFICE 3Claims.

This invention relates to a novel form of bottle and closiii' etherefor.

The [invention relates specifically to an improved milk bottle and cap,the principal object 5 being to provide a more sanitary receptacle fortransporting milk, cream, or the like.

Another object is to produce such a. combination whereby to protect atall times contamination of the external portion of the neck of thebottle, either when the cap is on or during the process of removingsame. V

Still another object is to provide meanswhere-= by when the bottlebecomes tipped over and liesprone upon the ground the cap is free fromcontact with the surface upon which the bottle rests. Other objects andadvantages of the invention will appear in the following descriptionthereof. Referring now to the accompanying drawing forming part of thisapplication, and wherein like reference characters indicate like parts:

The figure is a central vertical sectional view of one of the improvedbottles and caps therefor.

The illustration is that of a quart milk bottle 1, made of glass, thebore of the neck of which is peculiar in that it is contracted somewhattowards the extremity thereof, the internal surface being slightlyconcaved, as clearly seen at 2 in the drawing, this being for thepurpose of more convenient pouring-from the bottle in that the contentsdischarging therefrom has a tend= ency to run upwardly from theirregular marginal edge of the bottle than directly over same. Theextreme upper marginal edge of the bottle is round, fornn'ng an annularbead 3, substantially semicircular in cross section. Just inwardly andat the terminal edge of the bead 3 is formed the sealing groove 4, abovethe annular seat 5, which latter is preferably flat and parallel 40 withthe upper terminal of the bottle.

A flat inclined surface 6 is formed externally of the neck and extendsdownwardly from the.

outer terminal of the head 3 wholly around the bottle, and in which flatsurface, adjacent the lower extremity thereof, is formed an annulargroove 7, preferably having a flat inclined bottom, though the same maybe rounded slightly if preferred. Just below this second sealing groove7 is an annular flange or ledge extending wholly around the bottle, andthe lower wall of which gracefully tapers as at 9 into the outer surfaceof the bottle as'desired.

Now this flange or ledge 8 is designed to extend sufllciently beyond thecap 10 to protect same against contact with any surface upon which thebottle may become engaged, as for example the floor on which the bottlemay be tipped over or contact, for example, as illustrated by the dottedline 11, thus keeping the cap from normally-contacting such surface.

The cap 10 is made preferably of suitable rubber or other yieldablematerial, is fiat on top with the upper half of the side wall beingstraight as at 12, thence tapering outwardly and downwardly as at 13,the lower, outer edge falling when in position upon the bottlepreferably about midway the circumferential extremity of the flat seat14 formed by the flange 8.

The interior of the cap is made to snugly fit the irregularity of themouth of the bottle, as clearly illustrated; the sealing bead 15 fittingsnugly in the sealing groove 2, and the sealing head 16 in the groove 5.

To provide added resiliency and effectiveness to the bead 16, the innerwall of the top of the cap is concaved as at 17, this construction beingfound to add materially to the effectiveness of the cap and its readyapplication andremoval.

A further feature in connection with the convenient removal of the capis that of the straight portion of the outer wall thereof as illustratedat 12 in preference to the cap being tapered its full height so that thefingersof the hand are readily engaged over the edge of the cap inpulling the same from the bottle, as shown in dotted 8 lines at 18. Itwill be noted that during this process of removal of the cap that onlythe extreme lowermost inner marginal edges of the cap engages orin anyway contacts the bead 3, which, in a sense, is the mouthpiece of thebottle, and that the lower face of the cap when in position rests snuglyupon the seat 14 at all times, thus preventing its being contaminated inany way as by the touch of hands engaged in the handling of the filledbottles, or the like; this being one of the principal novel features ofthe invention.

Furthermore, the cap having the double sealing beads 4 and 5, oneinternal and the other external, insures positive sealing of the bottleagainst any abnormal usage of same, and in fact the bottle may beinverted and severely shaken without in any way jeopardizing theefllcacy of same.

Having thus described my invention, what I claim and desire to secure byLetters Patent, is: 105

1. A bottle having a smooth inner surface gradually decreasing in crosssectional capacity to its ellluent orifice and terminating in acircumferential pouring lip portion having a cross section less than aright angle, the outer part of the 110 pouring lip portion composed of aplane surface, horizontally disposed, of sufficient width to provide asubstantial bearing seat, the outer circumference of the plane bearingseat merging into an upstanding rim substantially semi-circular in crosssection and continuing downwardly by a gradually outwardly expandingsurface having an intermediately disposed inwardly extending groove,trapezoidal in contour, the downwardly and outwardly expanding surfaceterminating and merging into a circumferential rib having a horizontalupper surface of greater e ztent than the horizontal bearing seat.

2. A bottle having a smooth inner surface gradually decreasing in crosssectional capacity to its efliuent orifice and terminating in acircumferential pouring lip portion having a cross section less than aright angle, the outer part of the pouring lip portion composed of aplane surface, horizontally disposed, of sufficient width to provide asubstantial bearing seat, the outer circumference of the plane bearingseat merging into an upstanding rim substantially semi-circular in crosssection and continuing downwardly by a gradually outwardly expandingsurface having an intermediately disposed inwardly extending groove,

- trapezoidal in contour, the downwardly andoutwardly expanding surfaceterminating and merging into a circumferential rib having a horizontalupper surface of greater extent than the horizontal bearing seat; incombination with an elastic closure cap member formed to elasticallycontact and closely engage the entire described outer surface of thebottle'from the horizontal surface of the outwardly projectingcircumferential rib to the pouring lip portion, the flat circular upperportion of the closure cap member being gradually thinned on its insidefrom the contacting edge of the pouring lip portion of the bottle tothecenter of the top of the cap member.

3. An elastic bottle stopper and cap, the stopper portion positionedcentrally and interiorly of the cap and enlarged at its inner end toexpansively fit the inside of a bottle neck, the cap having a downwardlyprojecting circumferential skirt spaced from the stopper portion to forman annular groove shaped to conform snugly to the bottle rim, theexterior surface of the skirt being substantially vertical inapproximately the upper half of its length and merging into a graduallyexpanding lower half, the inner surface of the skirt providedintermediately with a circumferential rib to enter a correspondingrecess in the bottle neck, the lower edge of the skirt constituting asealing surface for cooperating with a ledge on the bottle 'neck, thecap being gradually thinned from the circumference of the stopper partto its center.

, ALBERT C. ECKARD.

